Zalman ZM-PC302 U3 USB3.0 PCI-Express Card, 2x USB3.0 Ports Controller IO Card, 4-Pin Molex Auxiliary Power

Features:
Superspeed USB3.0 support (Max 5Gbps)
4-Pin Auxiliary power support for stability - 900mA per Port
Convenient installation using PCI-Express slot
Perfect compatibility with USB2.0 and USB1.1 lower versions
Supported OS: Windows 2000, XP, VISTA, 7

Specs:Type:
PCI Express to USB Card
External USB Ports: 2 x USB3.0 Ports
Standard: USB3.0
Data Transfer Rate: Up to 5.0Gbps
Operating Systems Supported: Windows 2000, XP, Vista, 7, 8.1, 10